package com.tensquare.notice.listener;

import com.fasterxml.jackson.databind.ObjectMapper;
import com.rabbitmq.client.Channel;
import com.tensquare.notice.netty.MyWebSocketHandler;
import entity.Result;
import entity.StatusCode;
import io.netty.handler.codec.http.websocketx.TextWebSocketFrame;
import org.springframework.amqp.core.Message;
import org.springframework.amqp.rabbit.listener.api.ChannelAwareMessageListener;

import java.util.HashMap;

public class SysNoticeListener implements ChannelAwareMessageListener {
    private static ObjectMapper MAPPER = new ObjectMapper();
    @Override
    public void onMessage(Message message, Channel channel) throws Exception {

            //获取用户id，可以通过队列名称获取
            String queueName = message.getMessageProperties().getConsumerQueue();
            String userId = queueName.substring(queueName.lastIndexOf("_") + 1);
            io.netty.channel.Channel wsChannel = MyWebSocketHandler.userChannelMap.get(userId);
            //判断用户是否在线
            if (wsChannel != null) {
                //如果连接不为空，表示用户在线
                //封装返回数据
                HashMap countMap = new HashMap();
                countMap.put("sysNoticeCount", 1);
                Result result = new Result(true, StatusCode.OK, "查询成功", countMap);
                // 把数据通过WebSocket连接主动推送用户
                wsChannel.writeAndFlush(new TextWebSocketFrame(MAPPER.writeValueAsString(result)));
            }
    }
}
